<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<input type="text" id="count">
<input type="button" value="帅哥" onclick="f(1)">
<input type="button" value="美女" onclick="f(2)">
<hr>
<script>
    let t = document.querySelector("input");
    function f(x) {
        let url = x == 1 ? "../a.jpg" : "../b.jpg";
        for (let i = 0; i < t.value; i++) {
            let img = document.createElement("img")
            img.src = url;
            document.body.append(img);
        }
    }
</script>
</body>
</html>